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|---|---|---|
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| 0000950170-23-017893-index.html | 2023-05-04 16:19:54 | |
| 0000950170-23-017893.txt | 2023-05-04 16:19:54 | |
 0000950170-23-017893-xbrl.zip | 211288 | 2023-05-04 16:19:54 |
| FilingSummary.xml | 36302 | 2023-05-04 16:19:54 |
| Financial_Report.xlsx | 84226 | 2023-05-04 16:19:54 |
 img151082208_0.jpg | 4058 | 2023-05-04 16:19:54 |
| MetaLinks.json | 692095 | 2023-05-04 16:19:54 |
| prdo-20230331.htm | 2613528 | 2023-05-04 16:19:54 |
| prdo-20230331.xsd | 52839 | 2023-05-04 16:19:54 |
| prdo-20230331_cal.xml | 53255 | 2023-05-04 16:19:54 |
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| prdo-ex32_1.htm | 8376 | 2023-05-04 16:19:54 |
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| report.css | 2767 | 2023-05-04 16:19:54 |
| Show.js | 1085 | 2023-05-04 16:19:54 |